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From David Lary <davidl...@gmail.com>
Subject Re: DFS error
Date Sun, 10 Oct 2010 03:01:24 GMT
Thanks, 

conf/masters contains:

localhost

David

On Oct 9, 2010, at 6:14 AM, elton sky wrote:

> looks like hadoop couldn't find the uri of your second name node. what's in
> your conf/master?
> 
> On Sat, Oct 9, 2010 at 7:01 AM, David Lary <davidlary@gmail.com> wrote:
> 
>> Please can someone help.
>> 
>> Tried to set up pseudo-distributed mode for DFS. When I do start-dfs.sh I
>> get the error message below, and am not sure what it means. Any help would
>> be most appreciated.
>> 
>> Thanks
>> 
>> David
>> 
>> The conf/hdfs-site.xml file contains:
>> <configuration>
>>       <property>
>>               <name>fs.defaults.name</name>
>>               <value>hdfs://localhost:8020</value>
>>       </property>
>> </configuration>
>> 
>> 
>> 
>> $ start-dfs.sh
>> starting namenode, logging to
>> /Users/davidlary/hadoop-0.20.2/bin/../logs/hadoop-davidlary-namenode-129.110.31.40.out
>> localhost: starting datanode, logging to
>> /Users/davidlary/hadoop-0.20.2/bin/../logs/hadoop-davidlary-datanode-129.110.31.40.out
>> localhost: starting secondarynamenode, logging to
>> /Users/davidlary/hadoop-0.20.2/bin/../logs/hadoop-davidlary-secondarynamenode-129.110.31.40.out
>> localhost: Exception in thread "main" java.lang.NullPointerException
>> localhost:      at
>> org.apache.hadoop.net.NetUtils.createSocketAddr(NetUtils.java:134)
>> localhost:      at
>> org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:156)
>> localhost:      at
>> org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:160)
>> localhost:      at
>> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:131)
>> localhost:      at
>> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:115)
>> localhost:      at
>> org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:469)
>> 
>> 
>> 
>> 


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